3-((1,5-Dihydropyrido[3,2,1-ij]quinolin-3-yl)methyl)-4a,8a-dihydro-2H-chromen-4(3H)-one CAS 7400-76-2
| CAS No. | 7400-76-2 |
| Molecular Formula | C22H21NO2 |
| Molecular Weight | 331.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-((1,5-Dihydropyrido[3,2,1-ij]quinolin-3-yl)methyl)-4a,8a-dihydro-2H-chromen-4(3H)-one.
3-((1,5-Dihydropyrido[3,2,1-ij]quinolin-3-yl)methyl)-4a,8a-dihydro-2H-chromen-4(3H)-one (CAS 7400-76-2), molecular formula C22H21NO2 and molecular weight 331.41 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H21NO2, 3-((1,5-Dihydropyrido[3,2,1-ij]quinolin-3-yl)methyl)-4a,8a-dihydro-2H-chromen-4(3H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-((1,5-Dihydropyrido[3,2,1-ij]quinolin-3-yl)methyl)-4a,8a-dihydro-2H-chromen-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H21NO2 |
| Molecular Weight | 331.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
Related Dihydropyrido Standards
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(4-methyl-2-(1H-pyrrol-1-yl)thiazol-5-yl)methanone (CAS 1797870-06-4)
- 3-(4-Oxo-3,4-dihydropyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl)phenyl acetate (CAS 371945-23-2)
- 1-(3,4-Dihydropyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)piperidine-4-carboxylic acid (CAS 1313845-21-4)
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(5-fluorobenzo[b]thiophen-2-yl)methanone (CAS 1797869-43-2)
- 8,9-Dihydropyrido[2,3-b][1,6]Naphthyridin-7(6H)-Yl[3-(Trifluoromethyl)Phenyl]Methanone (CAS 389117-39-9)
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(2-methylquinolin-8-yl)methanone (CAS 1798040-15-9)
- 1-(7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-2-(1H-indol-3-yl)ethan-1-one (CAS 1797982-97-8)
- 1-(7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-2-(1H-indol-1-yl)ethan-1-one (CAS 1798040-36-4)
Recommended Standards
- 2-[(4-Fluorophenyl)sulfanyl]-3-phenylquinoline (CAS 339013-92-2)
- 3-((4-Phenoxyphenyl)amino)-1-(p-tolyl)propan-1-one (CAS 477334-12-6)
- 2-(Ethylthio)-N-(5-(thiophen-2-yl)-1,3,4-oxadiazol-2-yl)benzamide (CAS 886917-44-8)
- 3-(1-(6,7-Dimethoxyquinazolin-4-yl)piperidin-4-yl)propan-1-ol (CAS 89151-37-1)
- Piperidine-1-carboximidamide hydrochloride (CAS 52318-35-1)
- 2,5-Dichloro-4-methylbenzene-1-sulfonyl chloride (CAS 473477-22-4)
- 3-((Diisopropylamino)methyl)-4-methoxybenzaldehyde (CAS 881040-95-5)
- 9-(4-Fluorobenzyl)-9H-purin-6-amine (CAS 213528-06-4)
- Custom Organotin Mix (CAS CATO-LOTI111629-ME)
- 3-Methylpiperidine-3-carbonitrile (CAS 1206228-89-8)
- 2-(1H-imidazol-5-yl)-N-(pyridin-2-ylmethyl)ethan-1-amine (CAS 120927-21-1)
- 4-(Aminomethyl)-5-methyl-1,3-dioxol-2-one hydrochloride (CAS 2230804-13-2)
- Methyl 2-((3-aminophenyl)sulfonyl)-2-methylpropanoate (CAS 1443288-62-7)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
Why CATO?
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